1:11 My YZ250 top end rebuild (Part 2) Piston comparing and power valve swamping to new cylinder
Part 2 of my Yamaha YZ250 top end job. In this part I compare wiseco and OEM pistons and install the power valves into the new cylinder. Link to part 1 of this video ... • 1:11 My YZ250 top end rebuild (Part 1) Donate Race Fuel link... https://www.paypal.com/donate/?hosted... Thanks for watching! [email protected] Thanks for watching! [email protected]

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